Patents by Inventor Takashi Tamura

Takashi Tamura has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9749927
    Abstract: The invention relates methods for time aligning uplink transmissions by a mobile terminal in a mobile communication system, and to methods for performing a handover of a mobile terminal to a target aggregation access point. The invention is also providing apparatus and system for performing these methods, and computer readable media the instructions of which cause the apparatus and system to perform the methods described herein. In order to allow for aligning the timing of uplink transmissions on uplink component carriers, where different propagation delays are imposed on the transmissions on the uplink component carriers, the inventions suggests to time align the uplink component carriers based on a reference time alignment of a reference cell and a reception time difference or propagation delay difference between the downlink transmissions in the reference cell and the other radio cells, the uplink component carriers of which need to be time aligned.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: August 29, 2017
    Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
    Inventors: Joachim Löhr, Christian Wengerter, Martin Feuersänger, Takashi Tamura, Hidetoshi Suzuki, Takahisa Aoyama
  • Patent number: 9749108
    Abstract: Provided is a terminal whereby the accuracy of CSI measurement results in the terminal can be assured, and declines in throughput prevented. In this terminal, a reception processor (203) receives reference signals respectively transmitted from a plurality of transmission points. A CSI generator (206) identifies a second subframe on the basis of a first subframe respectively established for each of the plurality of transmission points, and using the reference signals from the plurality of transmission points, generates channel information in a subframe other than the second subframe, without generating channel information in the second subframe. A transmission signal former (208) transmits the generated channel information.
    Type: Grant
    Filed: February 1, 2013
    Date of Patent: August 29, 2017
    Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
    Inventors: Masayuki Hoshino, Takashi Tamura
  • Patent number: 9723618
    Abstract: The invention relates to methods for improving a scheduling request transmission between a UE and a base station. The transmission of the scheduling request is postponed, by implementing a threshold that the data in the transmission buffer has to reach, before a transmission of the scheduling request is triggered. In one variant, the data in the transmission buffer needs to reach a specific amount, to trigger a scheduling request. The invention refers to further improvements: the PDDCH monitoring time window is delayed after sending a scheduling request; the dedicated scheduling request resources of the PUCCH are prioritized differently such that low-priority scheduling requests are transmitted less often.
    Type: Grant
    Filed: February 6, 2013
    Date of Patent: August 1, 2017
    Assignee: Sun Patent Trust
    Inventors: Joachim Loehr, Takahisa Aoyama, Prateek Basu-Mallick, Takashi Tamura, Martin Feuersaenger
  • Patent number: 9706695
    Abstract: In an electronic component mounting system 1 configured by coupling electronic component mounting devices M1 to M4A each having a first substrate transport mechanism 12A and a second substrate transport mechanism 12B together, the electronic component mounting device M4A includes a first tray feeder 20A that stores an electronic component extracted by a first mounting head 15A of a component mounting mechanism as a first work operation mechanism, and a second tray feeder 20B that stores an electronic component extracted by a second mounting head 15B of a component mounting mechanism as a second work operation mechanism.
    Type: Grant
    Filed: March 2, 2012
    Date of Patent: July 11, 2017
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Shuzo Yagi, Takashi Tamura, Hiroki Yamamoto, Toru Ikeda, Kazuhiro Kishikawa
  • Publication number: 20170190920
    Abstract: A coating used in a vapor-oxidative atmosphere has a first layer including SIALON and a second layer covering the first layer and being exposed to the atmosphere, the second layer including mullite, wherein the first layer and the second layer get in contact with each other.
    Type: Application
    Filed: March 24, 2017
    Publication date: July 6, 2017
    Applicants: IHI Corporation, JAPAN FINE CERAMICS CENTER
    Inventors: Takeshi NAKAMURA, Takashi TAMURA, Satoshi KITAOKA, Naoki KAWASHIMA
  • Patent number: 9698957
    Abstract: A wireless communication device is provided with: a means that, when traffic of said device is greater than another device in a state in which the device is wirelessly connected to a terminal without using CoMP, generates information with which a parameter is altered so that a communication area in which CoMP is used is expanded at the wireless communication device side, said parameter relating to a condition by which the terminal reports a result of a communication measurement between the device and the other device; and a means that carries out an adjustment so that a proportion of resources for communication using CoMP is increased in accordance with the traffic situations of the device and the other device.
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: July 4, 2017
    Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
    Inventors: Hidenori Matsuo, Takahisa Aoyama, Takashi Tamura
  • Publication number: 20170180573
    Abstract: An image forming apparatus (100) includes an image reading portion (2), an image forming portion (3), an in-body discharge portion (7), an information reading portion (6), a reading cover (61), and an operation portion (5). The information reading portion (6) is stored in a front of the image reading portion (2) and reads information of a user. The reading cover (61) covers the information reading portion (6). A first area including surfaces of the reading cover (61) and the operation portion (5) and a second area including surfaces of the image reading portion (2), the image forming portion (3), and the in-body discharge portion (7) are substantially different in outer appearance.
    Type: Application
    Filed: March 23, 2016
    Publication date: June 22, 2017
    Inventors: Hirofumi Kuroki, Takashi Tamura, Hajime Sejima, Mikiya Kitagawa
  • Patent number: 9682832
    Abstract: A sheet feed cassette is a sheet feed cassette in which a sheet is stored, the sheet feed cassette being mountable to and detachable from an image forming apparatus, the sheet feed cassette including a mounting portion and a cover. The mounting portion is formed so as to be recessed in a front surface of the sheet feed cassette. One or a plurality of information display members on which information concerning the sheet is described can be inserted to and pulled out from the mounting portion. The cover is capable of opening/closing relative to the mounting portion and has a surface flush with the front surface of the sheet feed cassette in a state where the cover is closed.
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: June 20, 2017
    Assignee: KYOCERA Document Solutions Inc.
    Inventors: Hirofumi Kuroki, Takashi Tamura, Hajime Sejima, Mikiya Kitagawa
  • Publication number: 20170150406
    Abstract: When detecting occurrence of an event for transmitting a measurement report of a radio condition of a cell at a frequency set for a base station apparatus, to the base station apparatus (3) communicating with a terminal apparatus (2), the terminal apparatus (2) in a wireless communication system (1) creates a measurement report including information indicating radio conditions of cells at a frequency at which the event occurred and at another different frequency. The base station apparatus (3) controls whether or not to perform handover of the terminal apparatus (2) to another cell, on the basis of the measurement report transmitted from the terminal apparatus (2). Thereby, there is provided a wireless communication system in which a base station apparatus and the terminal apparatus are communicable with each other using multiple frequencies, the wireless communication system being capable of shortening time required for handover.
    Type: Application
    Filed: February 7, 2017
    Publication date: May 25, 2017
    Inventors: Takashi Tamura, Takahisa Aoyama, Jun Hirano
  • Patent number: 9655160
    Abstract: The invention relates to methods for avoiding in-device coexistence (IDC) interference in a mobile terminal in a mobile communication system, apparatus for performing these methods, and computer readable media instructions to cause the apparatus to perform the methods. In order to avoid IDC interference, an IDC interference indication is reported for at least one of a first cell and a second cell on which an interference condition is detected. In response, an activation/deactivation pattern is received for at least one of the first and second cells for which the interference condition is detected. The activation/deactivation pattern indicates an off-duration and an offset specifying a time-period during which communication via the at least one of the first and second cells is to be deactivated.
    Type: Grant
    Filed: July 22, 2013
    Date of Patent: May 16, 2017
    Assignee: Panasonic Intellectual Property Corporation of America
    Inventors: Martin Feuersaenger, Joachim Loehr, Prateek Basu-Mallick, Takashi Tamura
  • Publication number: 20170126373
    Abstract: A communication terminal is capable of simultaneously communicating through a plurality of carriers by carrier aggregation, and the communication terminal comprises: a quality measurement unit for measuring the reception quality of a radio wave transmitted through a plurality of carriers from a base station of a connected cell to obtain a measured value; a primary carrier storage unit storing information specifying a primary carrier chosen from the plurality of carriers; a comparator for comparing a measured value of the primary carrier measured by the quality measurement unit to a threshold value; and a cell search unit for searching for another cell when the measured value of the primary carrier is less than or equal to the threshold value. Consequently, a search threshold value for carrier aggregation can be appropriately determined to perform a cell search and a quality measurement.
    Type: Application
    Filed: January 17, 2017
    Publication date: May 4, 2017
    Inventors: Takahisa Aoyama, Jun Hirano, Takashi Tamura
  • Patent number: 9603076
    Abstract: When detecting occurrence of an event for transmitting a measurement report of a radio condition of a cell at a frequency set for a base station apparatus, to the base station apparatus (3) communicating with a terminal apparatus (2), the terminal apparatus (2) in a wireless communication system (1) creates a measurement report including information indicating radio conditions of cells at a frequency at which the event occurred and at another different frequency. The base station apparatus (3) controls whether or not to perform handover of the terminal apparatus (2) to another cell, on the basis of the measurement report transmitted from the terminal apparatus (2). Thereby, there is provided a wireless communication system in which a base station apparatus and the terminal apparatus are communicable with each other using multiple frequencies, the wireless communication system being capable of shortening time required for handover.
    Type: Grant
    Filed: April 25, 2016
    Date of Patent: March 21, 2017
    Assignee: Sun Patent Trust
    Inventors: Takashi Tamura, Takahisa Aoyama, Jun Hirano
  • Publication number: 20170078980
    Abstract: Provided is a terminal apparatus in which, a transmission control unit (204) controls the transmission power of a sounding reference signal (SRS) by use of an offset value relative to the transmission power of a data signal, and a transmission unit (206) transmits the SRS by use of the transmission power as controlled. If a subframe to be used for transmitting the SRS is a predetermined subframe, the transmission control unit (204) uses a first offset value to control the transmission power of the SRS. Otherwise, the transmission control unit (204) uses a second offset value to control the transmission power of the SRS. The second offset value is an offset value that has been established so as to be transmitted to the serving cell of the terminal (200), and the first offset value is greater than the second offset value.
    Type: Application
    Filed: November 2, 2016
    Publication date: March 16, 2017
    Inventors: Takashi Iwai, Daichi Imamura, Masayuki Hoshino, Akihiko Nishio, Takashi Tamura, Kazuki Takeda
  • Patent number: 9596631
    Abstract: A communication terminal is capable of simultaneously communicating through a plurality of carriers by carrier aggregation, and the communication terminal comprises: a quality measurement unit for measuring the reception quality of a radio wave transmitted through a plurality of carriers from a base station of a connected cell to obtain a measured value; a primary carrier storage unit storing information specifying a primary carrier chosen from the plurality of carriers; a comparator for comparing a measured value of the primary carrier measured by the quality measurement unit to a threshold value; and a cell search unit for searching for another cell when the measured value of the primary carrier is less than or equal to the threshold value. Consequently, a search threshold value for carrier aggregation can be appropriately determined to perform a cell search and a quality measurement.
    Type: Grant
    Filed: May 25, 2010
    Date of Patent: March 14, 2017
    Assignee: Sun Patent Trust
    Inventors: Takahisa Aoyama, Jun Hirano, Takashi Tamura
  • Publication number: 20170068209
    Abstract: An image forming apparatus includes an exterior cover, a connector, and an upper exterior member disposed above the exterior cover. The upper exterior member includes a groove portion and projections. In the upper exterior member, the groove portion is formed so as to extend from a first end closer to the connector to a second end closer to one of left and right side ends of the exterior cover. The projections are formed so as to project upward from a lower edge portion of an opening of the groove portion. A cable connected to the connector is inserted in the groove portion. The projections prevent the cable from being dropped from the groove portion.
    Type: Application
    Filed: August 31, 2016
    Publication date: March 9, 2017
    Inventors: Takashi Tamura, Nobuhiro Fukuma
  • Patent number: 9591545
    Abstract: Under a handover control method, a wireless communication terminal receives a conditional handover command that is transmitted from a wireless communication device which provides an own cell connected to the wireless communication terminal and that gives a command to start handover to an adjacent cell when a predetermined condition is satisfied; determines whether or not the predetermined condition is satisfied; and starts handover to the adjacent cell indicated by the conditional handover command when the predetermined condition is satisfied.
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: March 7, 2017
    Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
    Inventors: Takashi Tamura, Hidenori Matsuo, Akihiko Nishio, Daichi Imamura
  • Patent number: 9581956
    Abstract: An image forming apparatus includes an image forming section configured to form an image on a recording paper sheet and a housing accommodating the image forming section. The housing includes: an enclosed and bottomed housing body having an enclosed sidewall and a bottom formed continuously and integrally with the sidewall; and a lid removably attached to the housing body to cover an opening of the housing body. The image forming section is separate from the housing body and is placed on top of the bottom in the housing body. When the lid is removed from the image forming apparatus and the image forming section is lifted above the opening, the image forming section is taken out of the housing body through the opening and the housing body is removed from the image forming apparatus.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: February 28, 2017
    Assignee: KYOCERA Document Solutions Inc.
    Inventors: Takashi Tamura, Toshihiko Watanabe
  • Publication number: 20170032757
    Abstract: A semiconductor device includes first to sixth external connection terminals, a first receiver connected to the first and second external connection terminals, a second receiver connected to the third and fourth external connection terminals, a third receiver connected to the fifth and sixth external connection terminals, a C-PHY block, a D-PHY block and a main processing section. The C-PHY block is configured to generate first reception data by performing signal processing on signals received from the first, second and third receivers in accordance with the MIPI C-PHY specification. The D-PHY block is configured to generate second reception data by performing signal processing on signals received from the first, second and third receivers in accordance with the MIPI D-PHY specification. The main processing section is configured to selectively receive the first and second reception data and perform desired processing on the received data.
    Type: Application
    Filed: July 25, 2016
    Publication date: February 2, 2017
    Inventors: Keiichi ITOIGAWA, Yoshihiko HORI, Tomomitsu KITAMURA, Takefumi SENO, Hideaki KUWADA, Takashi TAMURA, Jun KUROSAWA, Kazuhiko KANDA
  • Publication number: 20170020040
    Abstract: A component supply device of the disclosure includes: a loader being capable of accommodating a plurality of stick cases in a stacked state, each of the plurality of stick cases being capable of accommodating a plurality of electronic components, each of the plurality of stick cases having an opening in an end portion in a longitudinal direction; a component transporter moving one or more electronic components supplied from the plurality of stick cases to a predetermined component supply position; and a stick case detector detecting presence or absence of one or more stick cases in the loader.
    Type: Application
    Filed: June 23, 2016
    Publication date: January 19, 2017
    Inventors: RYOUJI EGUCHI, SHUUICHI KUBOTA, TAKASHI TAMURA, SEIICHI MATSUO
  • Publication number: 20170020038
    Abstract: A component supply device of the disclosure includes: a loader being capable of accommodating a plurality of stick cases in a stacked state, each of the plurality of stick cases being capable of accommodating a plurality of electronic components, each of the plurality of stick cases having an opening in an end portion in a longitudinal direction; a component transporting path transporting one or more electronic components supplied from the plurality of stick cases to a predetermined component supply position; and a component information storage being capable of storing component information of stick cases. A plurality of electronic components of same lot are accommodated in the plurality of stick cases, and the component information storage stores component information of a stick case read from one of the plurality of stick cases, as the component information of each of the plurality of stick cases.
    Type: Application
    Filed: June 23, 2016
    Publication date: January 19, 2017
    Inventors: RYOUJI EGUCHI, TAKASHI UCHINO, TAKASHI TAMURA, SHUUICHI KUBOTA